NZXT Aer RGB 2 HF-28140-B1 Cooling Fan - 5.51in Maximum Fan Diameter - 682.1 gal/min Maximum Airflow - 1500 rpm - 33 dB(A) Noise - Fluid Dynamic Bearing - 4-pin PWM - RGB LED - Plastic, Rubber - Case - 6 Year Life

RGB LEDs illumination for a modish look Fully compatible with standard cases The flawless rotation of fan blades is just what you need for prolonged cooling Features fluid dynamic bearing to improve longevity, silence, and stability